C0277 PONTIAC - Brake Pedal Position Sensor
Tech notes- DTC C0277 06: Brake Pedal Position Sensor Circuit Short to Ground or Open
- DTC C0277 07: Brake Pedal Position Sensor Circuit Voltage Above Threshold
- DTC C0277 09: Brake Pedal Position Sensor Circuit Rate of Change Above Threshold
- DTC C0277 4B: Brake Pedal Position Sensor Calibration Not Learned
C0277 Pontiac DescriptionThe brake pedal position sensor is used to sense the action of the driver application of the brake pedal. The brake pedal position sensor provides an analogue voltage signal that will increase as the brake pedal is applied. The Body Control Module (BCM) provides a low reference signal and a 5 V reference voltage to the brake pedal position sensor. When the variable signal reaches a voltage threshold indicating the brakes have been applied, the BCM will apply battery voltage to the stop lamp control circuit illuminating the left and right stop lamps and the Center High Mounted Stop Lamp (CHMSL). The BCM also applies battery voltage to the transmission control module (TCM) and engine control module (ECM) via the brake applied signal circuit.
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